/Engine/Plugins/Runtime/MIDIDevice/Source/MIDIDevice/Public/MIDIDeviceManager.h
[USTRUCT](Programming/UnrealArchitecture/Reference/Structs)([BlueprintType](Programming/UnrealArchitecture/Reference/Structs/Specifiers/BlueprintType)) struct FMIDIDeviceInfo
bool
bIsAlreadyInUse
Whether the device is already in use.
bool
bIsDefaultDevice
True if this is the default MIDI device for input on this system
int32
DeviceID
The unique ID of this MIDI device
FString
DeviceName
The name of this device. This name comes from the MIDI hardware, any might not be unique